[API] Tests Runner - Always wipe datastreams, renames cleanup method

Author: picandocodigo

elasticsearch-api/api-spec-testing/test_file.rb

@@ -187,7 +187,7 @@ def wipe_cluster(client)
             wipe_searchable_snapshot_indices(client)
           end
           clear_snapshots_and_repositories(client)
-          clear_datastreams(client) if platinum?
+          wipe_datastreams(client)
           clear_indices(client)
           if platinum?
             clear_templates_platinum(client)
@@ -420,7 +420,7 @@ def clear_transforms(client)
           end
         end
 
-        def clear_datastreams(client)
+        def wipe_datastreams(client)
           datastreams = client.indices.get_data_stream(name: '*', expand_wildcards: 'all')
           datastreams['data_streams'].each do |datastream|
             client.indices.delete_data_stream(name: datastream['name'], expand_wildcards: 'all')